Select the Password column in the Insert record Behavior, then click the lightning bolt next to value, select the Password form element, and set the formatting Drop Down List to SHA1 Encryption.
Wow I Arrived to do what you said, Now it didn't crash. But now I have another problem:
Warning: require_once(../WA_SecurityAssist/WA_SHA1Encryption.php) [function.require-once]: failed to open stream: No such file or directory in ...... blbla
But I dont see any file by that name, it should be generated from somewhere.